When it comes to knowing a subject completely, one should go with that of a dependable and trustworthy provider in this regard who is able to provide understandable guidance. Kungfu Physics comes across as the best and trusted o level physics centre in Singapore
It was founded by Mr Gabriel Tan known to have brilliant track record in this arena for the past several years. It is a reputed physics tuition centre that has students from different parts of the region. It is definitely the best of the lot in this regard so go for it. You can check out the website.